@keyframes tadas {
  from {
    transform: scale3d(1, 1, 1);
  }

  2.5%, 5% {
    transform: scale3d(.9, .9, .9) rotate3d(0, 0, 1, -3deg);
  }

  7.5%, 12.5%, 17.5%, 22.5% {
    transform: scale3d(1.1, 1.1, 1.1) rotate3d(0, 0, 1, 3deg);
  }

  10%, 15%, 20% {
    transform: scale3d(1.1, 1.1, 1.1) rotate3d(0, 0, 1, -3deg);
  }

  25% {
    transform: scale3d(1, 1, 1);
  }
  
  100% {
    transform: scale3d(1, 1, 1);
  }
}